Finding the Fourth Proportional to 11,938.77, 17,880.89 and 5,703.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,938.77 : 17,880.89 = 5,703.18 : x
2. Step 2: Convert to fraction form
   11,938.77/17,880.89 = 5,703.18/x
3. Step 3: Cross multiply
   11,938.77x = 17,880.89 × 5,703.18
4. Step 4: Simplify right side
   11,938.77x = 101,977,905.71
5. Step 5: Solve for x
   x = 101,977,905.71/11,938.77
6. Step 6: Final answer
   x = 8,541.74